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|Bearing Type:||Sealed Friction Bearing||Cutting Material:||TCI|
|Standard:||API-7-1, ISO 9001:2008||Series:||FSA|
|Application 1:||Oil Well Drilling||Application 2:||Gas Well Drilling|
|IADC:||517||G:||Reinforced Gauge Protection|
tci drill bit,
oilfield drill bits
13 5/8" FSA517G , Sealed Friction Bearing , TCI Bit , Tricone Drill Bit , Three Cone Bit
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
|Types & IADC Code||417||
|Lb/in. (Bit Dia.)||2285~5142||2285~5142||2000~5714||2857~5714||3428~6285||4000~6857|
|Rotation Speed (Rpm)||140~60||140~60||125~50||110~50||100~40||80~40|
The above chart represents commonly available sizes and types, we do produce other sizes and types of rock bits which do not appear on this list. Please contact us for more information.
Lubricants play a vital role in bearing performance. They provide lubrication for both bearings and seals, and they provide a medium for heat transfer away from the bearings. To achieve these functions, lubricants are specially engineered and continually improved. Lubrication systems are engineered to provide reserve storage, positive delivery to the bearing system, capacity for thermal expansion, and pressure equalization with fluids on the bit exterior.
Lubrication systems include a resupply reservoir large enough to ensure availability of lubricant for all lubrication functions throughout the life of the bit. A small positive pressure differential in the system ensures flow from reservoir to bearings. The system is vented to equalize internal and external reservoir pressures. Without equalization, a pressure differential between bit exterior and interior could be sufficient to cause seal damage, leading to bearing failure.
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